Formal:
* मेरी मदद करो (meri madad karo): This is the most common and formal way to ask for help. It literally translates to "do my help".
* कृपया मेरी सहायता कीजिए (kripya meri sahayta kijiye): This is another formal way to ask for help, meaning "please help me".
Informal:
* मुझे मदद करो (mujhe madad karo): This is a more informal way to ask for help, meaning "help me".
* मुझे थोड़ी मदद चाहिए (mujhe thodi madad chahiye): This is a polite and informal way to ask for help, meaning "I need some help".
Other phrases:
* मुझे समझ में नहीं आ रहा (mujhe samajh mein nahin aa raha): This means "I don't understand", and can be used when you need help with something specific.
* मेरे लिए यह मुश्किल है (mere liye yeh mushkil hai): This means "This is difficult for me", and can be used when you need help with something challenging.
Remember to choose the appropriate phrase based on the situation and your relationship with the person you are talking to.